CVE-2026-17695 in Chrome
Summary
by MITRE • 07/30/2026
Inappropriate implementation in ANGLE in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 07/30/2026
The vulnerability under discussion represents a critical sandbox escape flaw within the ANGLE graphics library implementation in Google Chrome versions prior to 151.0.7922.72 on macOS platforms. This issue stems from an inappropriate implementation that allows remote attackers to potentially bypass system security boundaries through carefully crafted HTML content. The technical nature of this vulnerability places it squarely within the realm of privilege escalation and sandbox bypass techniques, making it particularly dangerous in modern browser environments where sandboxing serves as a fundamental security boundary.
The underlying flaw exists within ANGLE's graphics handling mechanisms, specifically how it processes and renders graphics commands from web content. ANGLE (Almost Native Graphics Layer Engine) is a graphics library that translates OpenGL ES commands into DirectX on Windows platforms, but it also provides implementations for macOS and other operating systems. The improper implementation manifests when Chrome receives malicious HTML content that triggers specific graphics rendering paths within ANGLE, creating opportunities for attackers to execute code outside of the intended sandbox boundaries through memory corruption or privilege escalation techniques.
This vulnerability's operational impact extends beyond simple remote code execution as it fundamentally compromises the browser's security model. The sandbox escape capability allows attackers to potentially access system resources, read sensitive files, or execute arbitrary commands with the privileges of the browser process. Given that Chrome operates with extensive system permissions and user data access, such an escape could enable comprehensive system compromise. The high severity classification (Chromium security severity: High) reflects the potential for significant damage when exploited in real-world scenarios.
The attack vector requires a remote attacker to convince a victim to visit a specially crafted webpage containing malicious HTML elements that trigger the vulnerable ANGLE code path. This typically involves sophisticated payload construction using browser exploitation techniques and may require additional primitives for successful exploitation. The vulnerability's presence in macOS versions of Chrome makes it particularly concerning as Apple's security model includes additional protections that could be bypassed through this vector.
Security professionals should note that this issue aligns with several ATT&CK framework techniques including T1059 for command and scripting interpreter usage, and T1068 for exploit for privilege escalation. The vulnerability also corresponds to CWE-20 (Improper Input Validation) and potentially CWE-787 (Out-of-bounds Write) depending on the specific exploitation method. Organizations should prioritize immediate patching of affected Chrome versions and consider implementing additional monitoring for suspicious graphics rendering behaviors that could indicate exploitation attempts.
Mitigation strategies include immediate deployment of Chrome version 151.0.7922.72 or later, which contains the necessary fixes to address the ANGLE implementation issues. Browser hardening measures such as disabling unnecessary graphics features and implementing strict content security policies can provide additional defense-in-depth layers. Network-level controls should monitor for known malicious web content patterns and implement web application firewalls to block access to potentially harmful domains. Regular security assessments of browser configurations and continuous monitoring for exploitation indicators remain essential practices for maintaining protection against such sophisticated attacks.
The vulnerability demonstrates the critical importance of graphics library security in modern browsers, where rendering engines represent significant attack surfaces due to their complex nature and privileged execution contexts. This particular issue highlights the need for comprehensive security testing across all components of browser architecture, including specialized libraries like ANGLE that operate at the intersection of graphics processing and system security boundaries.